package com.big.app.util;

import com.alibaba.fastjson.JSON;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.alipay.api.response.AlipayTradePagePayResponse;
import com.alipay.api.response.AlipayTradeQueryResponse;
import com.alipay.api.response.AlipayTradeRefundResponse;
import lombok.Data;
import lombok.NoArgsConstructor;

public class AliPayUtils {
    //alipayClient 对象只需要初始化一次
    private static AlipayClient alipayClient;
    //以下三个变量，记得到时更新为你们公司

    //私钥
    //商户id
    private static final String APP_ID="2017091608770636";
    //私钥
    private static final String APP_PRIVATE_KEY="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";
    //公钥
    private static final String ALIPAY_PUBLIC_KEY="MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx7jJT+PSEM6ZiimTW0SGUfg4cJU04H/mQqkL2mk7KaHXFQqMh4US6xYkDlaEXzOOfxevuBqWOaB4/8TleO1CHZHXWHu9Xc+iYtJPNJGrxoGLM+6Cg9IafJTygRoaqdH0SoVMpxFdOpUftNdXHO+G0ZpS/7c1zpn8G64zN5J17IFrLcUlsEnSgOrJxsS2Q50b44er0KQlj76pehB2sTveHS2vdhqXzrv+oq99XtUKEY1a3nwDjXneI7YYKLHD9KU53pti/ibLDkOEjO4+DRowd+wfSwkmWGVL3X320mvCfrg/aMN71B/cyyhW0mQ4cxqh2UcnpxLm0v/+uC7dSCyAJwIDAQAB";
    //初始化
    static {
        alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do",
                APP_ID,APP_PRIVATE_KEY,"json","UTF-8",ALIPAY_PUBLIC_KEY,"RSA2");
    }

    /**
     * 生成支付信息*/
    public static String createPay(AliPay pay){
        //1.创建请求对象
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
        //2.设置请求参数
        request.setNotifyUrl("");
        request.setReturnUrl("");
       /* pay.setTotal_amount(0.01);*/
        request.setBizContent(JSON.toJSONString(pay));
        //3.发起请求,获取响应
        try {
            AlipayTradePagePayResponse response = alipayClient.pageExecute(request);
            //4.验证是否成功
            if(response.isSuccess()){
                //响应的页面内容
                return response.getBody();
            }
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return null;
    }
    /**
     * 查询支付状态*/
    public static String queryPay(String no){
        //1.实例化请求对象
        AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
        //2.设置请求参数
        request.setBizContent("{\"out_trade_no\":\""+no+"\"}");
        //3.执行请求，获取响应
        try {
            AlipayTradeQueryResponse response=alipayClient.execute(request);
            //4.验证请求是否成功
            if(response.isSuccess()){
                //返回 支付状态
                return response.getTradeStatus();
            }
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return null;
    }
    /**
     * 发起退款*/
    public static boolean refound(AliPayRefound refound){
        //1.实例化 请求对象
        AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();
        //2.设置请求参数
        request.setBizContent(JSON.toJSONString(refound));
        //3.执行请求，获取响应
        try {
            AlipayTradeRefundResponse response=alipayClient.execute(request);
            //4.验证请求是否成功
            if(response.isSuccess()){
                //返回结果
                return response.getFundChange().equals("Y");
            }
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return false;
    }

    //静态内部类 实现支付宝下单的参数封装
    @Data
    @NoArgsConstructor
    public static class AliPay{
        //订单号 不能超过64位
        private String out_trade_no;
        //订单金额 单位 元
        private double total_amount;
        //订单标题
        private String subject;
        //固定
        private String product_code="FAST_INSTANT_TRADE_PAY";

        public AliPay(String out_trade_no, double total_amount, String subject) {
            this.out_trade_no = out_trade_no;
            this.total_amount = total_amount;
            this.subject = subject;
        }
    }
    //静态内部类 封装支付宝退款参数
    @Data
    public static class AliPayRefound{
        private String out_trade_no;//订单号
        private double refund_amount;//退款金额
    }
}
